cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A193977 Triangular array: the fission of (p(n,x)) by (q(n,x)), where p(n,x)=x*p(n-1,x)+n+1 with p(0,x)=1, and q(n,x)=sum{(k+1)*x^k ; 0<=k<=n}.

Table of values

n a(n)
0 2
1 6
2 5
3 12
4 14
5 9
6 20
7 27
8 24
9 14
10 30
11 44
12 45
13 36
14 20
15 42
16 65
17 72
18 66
19 50
20 27
21 56
22 90
23 105
24 104
25 90
26 66
27 35
28 72
29 119
30 144
31 150
32 140
33 117
34 84
35 44
36 90
37 152
38 189
39 204
40 200
41 180
42 147
43 104
44 54
45 110
46 189
47 240
48 266
49 270
50 255
51 224
52 180
53 126
54 65
55 132
56 230
57 297
58 336

List of values

[2, 6, 5, 12, 14, 9, 20, 27, 24, 14, 30, 44, 45, 36, 20, 42, 65, 72, 66, 50, 27, 56, 90, 105, 104, 90, 66, 35, 72, 119, 144, 150, 140, 117, 84, 44, 90, 152, 189, 204, 200, 180, 147, 104, 54, 110, 189, 240, 266, 270, 255, 224, 180, 126, 65, 132, 230, 297, 336]